430 Welded Stainless Steel Pipe
430 stainless steel seamless pipe is a ferritic chromium alloy (16-18% Cr) offering moderate corrosion resistance and excellent stress corrosion cracking resistance. Manufactured through specialized hot extrusion processes, it provides higher purity and better mechanical properties (T.S. ≥450MPa) than welded alternatives. While lacking nickel content, its low-cost formulation features good oxidation resistance up to 850°C and magnetic properties. Primarily used in automotive trim, appliance components, and architectural applications where welding isn't required. Complies with ASTM A268 standards, serving as an economical stainless solution for mildly corrosive environments and structural applications not demanding austenitic-grade performance.
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Key Attributes

Product name430 Welded Stainless Steel Pipe
 SizeOD: 3-2500 mm
WT: 1.0-150 mm
LENGTH: 5.8/6/11.8/12m
 Pipe StandardASTM A213, ASTM A312, ASTM A269, ASTM A778, ASTM A789
DIN 17456,DIN 17457,DIN
EN 10216, BS 3605, JIS 3459, JIS3463, GOS T9941
 Material304/L,316/L,201,202,301,347/H,316Ti,309s,310s
ProcessCold drawn, Cold rolled, Precision Rolled
FinishAnnealed & pickled, bright annealing, polished


Product Details

stainless-steel-welded-pipes


Product Introduction


Stainless steel welded pipe is a pipe product made of stainless steel plate or steel strip, which is formed by high-frequency welding, laser welding or argon arc welding after curling. Compared with seamless steel pipe, its main features are high production efficiency, low cost and ability to produce large diameter thin-walled pipes. At the same time, through advanced welding technology and subsequent heat treatment process, the weld strength can reach more than 90% of the parent material, and the surface finish can reach Ra≤0.8μm after internal and external polishing. Common materials include austenitic stainless steel such as 304, 304L, 316, 316L, which have excellent corrosion resistance and mechanical properties and are widely used in architectural decoration (such as handrails), furniture manufacturing, food machinery and equipment, water supply systems, automobile exhaust pipes, solar equipment brackets and other fields. Through different surface treatments (such as brushed, mirrored, sandblasted, etc.), it can meet diverse appearance requirements. It is a general stainless steel pipe with excellent cost performance, especially suitable for cost-sensitive and low pressure requirements.


Stainless steel producers take advantage of the properties of stainless steel to improve quality through various surface treatments. We provide different types of stainless steel surface treatment processes, such as BA, 2B, 2D, 2K, 4K, 6K, 8K, NO.4, HL, SB, Embossed, etc.


About Us


Zhongxi Metal is a professional manufacturer engaged in the research, development, production, sale and service.,  is committed to providing one-stop steel procurement services for global client.


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Advantages of Stainless Steel Welded Pipe


1. High production efficiency: adopts automated welding process, fast production speed, suitable for large-volume orders, and short delivery cycle.

2. Cost advantage: high raw material utilization rate, low energy consumption, 30%-50% lower price than seamless pipes, outstanding economy.

3. Flexible specifications: can produce large diameter (up to 2000mm or more), thin wall (0.8mm) and special-shaped pipes to meet customized needs.

4. Reliable welding quality: modern welding technology (such as plasma welding, laser welding) combined with solid solution treatment, the weld strength can reach more than 90% of the parent material.

5. Diverse surface treatment: supports polishing, wire drawing, sandblasting and other processes to meet the aesthetic needs of scenes such as architectural decoration.

6. Environmental protection and energy saving: less waste in the production process, and 100% can be recycled, in line with the trend of green manufacturing.


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Quality Control


We have our own Physical & Chemical Testing Center Lab to guarantee our product quality. Our test items & instrument fully meet international standards.


Applications of Stainless Steel Welded Pipe


1. Architectural decoration: used for stair handrails, guardrails, curtain wall brackets, etc., with both structural strength and aesthetics, the surface can be treated with mirrors, brushed, etc.

2. Furniture manufacturing: as table and chair frames, display cabinet brackets, etc., lightweight and rust-proof, suitable for modern minimalist style design.

3. Municipal engineering: water supply pipes, fire protection systems, urban drainage, etc., corrosion-resistant and easy to install, reducing maintenance costs.

4. Food and medical: beverage delivery pipes, pharmaceutical equipment, surgical instrument brackets, meet hygiene standards and are easy to clean and disinfect.

5. Mechanical manufacturing: conveyor frames, automation equipment shells, meet the needs of lightweight and structural stability.

6. Automobiles and ships: exhaust pipes, fuel tank shells, high temperature resistance and salt spray corrosion resistance, adapt to complex environments.

7. Energy and environmental protection: solar brackets, sewage treatment equipment, long-term outdoor use without rust, life of more than 20 years.


Contact Us


As a leading company, Zhongxi Metal is known for our excellent product quality and professional services, providing our customers with a reliable partner. We have a global sales network that can meet the needs of customers in different countries and regions.If you need more information about us or have any other needs, please feel free to contact us. We look forward to working with you to create a better future.


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